/* ============================================
   环宇致胜文化科技研究院 - components.css
   公共组件：Header / Footer / Banner / 面包屑 / 侧栏 / 按钮 / 卡片 / 标签 / 分页
   ============================================ */

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.site-header .container {
  display: flex;
  align-items: center;
  height: var(--header-height);
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.site-header .logo img {
  height: 44px;
}

.site-header .logo .logo-text {
  display: flex;
  flex-direction: column;
}

.site-header .logo .logo-text strong {
  font-size: 18px;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.site-header .logo .logo-text span {
  font-family: var(--font-en);
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

/* Main nav */
.main-nav {
  margin-left: auto;
}

.main-nav > ul {
  display: flex;
  align-items: center;
}

.main-nav > ul > li {
  position: relative;
}

.main-nav > ul > li > a {
  display: block;
  padding: 0 20px;
  line-height: var(--header-height);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: color 0.3s;
}

.main-nav > ul > li > a::after {
  content: '';
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.main-nav > ul > li:hover > a,
.main-nav > ul > li.active > a {
  color: var(--color-primary);
}

.main-nav > ul > li:hover > a::after,
.main-nav > ul > li.active > a::after {
  transform: scaleX(1);
}

/* Dropdown */
.sub-nav {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 160px;
  background: var(--color-white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  border-top: 2px solid var(--color-accent);
}

.main-nav > ul > li:hover .sub-nav {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.sub-nav li a {
  display: block;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: all 0.2s;
}

.sub-nav li a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  padding-left: 28px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-primary);
}

/* Mobile drawer */
.mobile-nav-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1001;
  opacity: 0;
  transition: opacity 0.3s;
}

.mobile-nav-mask.show {
  opacity: 1;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--color-white);
  z-index: 1002;
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 20px 0;
}

.mobile-nav.show {
  right: 0;
}

.mobile-nav .nav-close {
  display: block;
  text-align: right;
  padding: 0 20px 16px;
  font-size: 24px;
  color: var(--color-text-muted);
}

.mobile-nav a {
  display: block;
  padding: 12px 24px;
  font-size: 15px;
  color: var(--color-text);
  border-bottom: 1px solid #F0F2F5;
}

.mobile-nav a.sub {
  padding-left: 44px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

@media (max-width: 991px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav-mask { display: block; pointer-events: none; }
  .mobile-nav-mask.show { pointer-events: auto; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .footer-logo img {
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer-brand .footer-logo strong {
  font-size: 17px;
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
}

.footer-nav h4,
.footer-contact h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-nav h4::after,
.footer-contact h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
}

.footer-nav .nav-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.footer-nav a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  padding: 4px 0;
}

.footer-nav a:hover {
  color: var(--color-accent-light);
}

.footer-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact .contact-item .icon {
  color: var(--color-accent);
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

.footer-qrcode {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.footer-qrcode .qr {
  width: 80px;
  height: 80px;
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--color-text-muted);
  text-align: center;
}

.footer-qrcode span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 991px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .footer-main {
    grid-template-columns: 1fr;
    padding: 40px 0 24px;
  }
}

/* ===== Page Banner ===== */
.page-banner {
  height: var(--banner-height);
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 60px);
}

.page-banner::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.page-banner .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-banner h1 {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 4px;
}

.page-banner .en {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
}

@media (max-width: 767px) {
  .page-banner {
    height: 180px;
  }
  .page-banner h1 {
    font-size: 24px;
  }
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb .sep {
  margin: 0 8px;
  color: var(--color-border);
}

.breadcrumb .current {
  color: var(--color-primary);
}

/* ===== Page Layout (sidebar + content) ===== */
.page-layout {
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
  align-items: flex-start;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.page-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 991px) {
  .page-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    position: static;
  }
}

/* ===== Side Menu ===== */
.side-menu {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.side-menu-title {
  background: var(--gradient-primary);
  color: #fff;
  padding: 18px 24px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 2px;
}

.side-menu-item {
  display: block;
  padding: 14px 24px;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-bottom: 1px solid #F0F2F5;
  position: relative;
  transition: all 0.2s;
}

.side-menu-item:last-child {
  border-bottom: none;
}

.side-menu-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
  transform: scaleY(0);
  transition: transform 0.2s;
}

.side-menu-item:hover {
  background: #FAFBFC;
  color: var(--color-primary);
  padding-left: 28px;
}

.side-menu-item.active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 500;
}

.side-menu-item.active::before {
  transform: scaleY(1);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--gold {
  background: var(--gradient-gold);
  color: #fff;
}

.btn--gold:hover {
  color: #fff;
  box-shadow: 0 8px 20px rgba(191, 143, 64, 0.35);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  color: #fff;
  background: var(--color-primary-light);
}

.btn--outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.btn--outline-dark {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline-dark:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--sm {
  height: 36px;
  padding: 0 20px;
  font-size: 13px;
}

/* ===== Tags ===== */
.tag {
  display: inline-block;
  padding: 2px 12px;
  font-size: 12px;
  border-radius: 999px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  line-height: 1.8;
}

.tag--gold {
  background: var(--color-accent-bg);
  color: var(--color-accent);
}

.tag--green {
  background: #E6F7ED;
  color: var(--color-success);
}

.tag--blue {
  background: #E3F5FC;
  color: var(--color-info);
}

.tag--gray {
  background: #F0F2F5;
  color: var(--color-text-muted);
}

/* ===== Date Badge ===== */
.date-badge {
  flex-shrink: 0;
  width: 60px;
  text-align: center;
  padding-right: 16px;
  margin-right: 16px;
  border-right: 1px solid var(--color-border);
}

.date-badge .day {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.date-badge .ym {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-white);
  transition: all 0.2s;
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.pagination .disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ===== CMS分页兼容 (ModStart PageHtmlUtil 输出 .pages/.page/.current/.more) ===== */
.pages {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 32px 0;
}

.pages a.page,
.pages span.current,
.pages span.more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  background: var(--color-white);
  transition: all 0.2s;
  text-decoration: none;
}

.pages a.page:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pages span.current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.pages span.more {
  border: none;
  background: none;
}

/* ===== Panel (content card) ===== */
.panel {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid #F0F2F5;
}

.panel-head .title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  padding-left: 14px;
}

.panel-head .title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--gradient-gold);
}

.panel-body {
  padding: 24px;
}

/* ===== Empty state ===== */
.empty-state {
  text-align: center;
  padding: 80px 0;
  color: var(--color-text-muted);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}